28325880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:362

約数の個数: 192

約数和(自身を含む): 105131520

約数和(自身を除く): 76805640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 55, 60, 66, 69, 72, 88, 90, 92, 99, 110, 115, 120, 132, 138, 165, 180, 184, 198, 207, 220, 230, 253, 264, 276, 311, 330, 345, 360, 396, 414, 440, 460, 495, 506, 552, 622, 660, 690, 759, 792, 828, 920, 933, 990, 1012, 1035, 1244, 1265, 1320, 1380, 1518, 1555, 1656, 1866, 1980, 2024, 2070, 2277, 2488, 2530, 2760, 2799, 3036, 3110, 3421, 3732, 3795, 3960, 4140, 4554, 4665, 5060, 5598, 6072, 6220, 6842, 7153, 7464, 7590, 8280, 9108, 9330, 10120, 10263, 11196, 11385, 12440, 13684, 13995, 14306, 15180, 17105, 18216, 18660, 20526, 21459, 22392, 22770, 27368, 27990, 28612, 30360, 30789, 34210, 35765, 37320, 41052, 42918, 45540, 51315, 55980, 57224, 61578, 64377, 68420, 71530, 78683, 82104, 85836, 91080, 102630, 107295, 111960, 123156, 128754, 136840, 143060, 153945, 157366, 171672, 205260, 214590, 236049, 246312, 257508, 286120, 307890, 314732, 321885, 393415, 410520, 429180, 472098, 515016, 615780, 629464, 643770, 708147, 786830, 858360, 944196, 1180245, 1231560, 1287540, 1416294, 1573660, 1888392, 2360490, 2575080, 2832588, 3147320, 3540735, 4720980, 5665176, 7081470, 9441960, 14162940, 28325880]

約数ペア:

[(1, 28325880), (2, 14162940), (3, 9441960), (4, 7081470), (5, 5665176), (6, 4720980), (8, 3540735), (9, 3147320), (10, 2832588), (11, 2575080), (12, 2360490), (15, 1888392), (18, 1573660), (20, 1416294), (22, 1287540), (23, 1231560), (24, 1180245), (30, 944196), (33, 858360), (36, 786830), (40, 708147), (44, 643770), (45, 629464), (46, 615780), (55, 515016), (60, 472098), (66, 429180), (69, 410520), (72, 393415), (88, 321885), (90, 314732), (92, 307890), (99, 286120), (110, 257508), (115, 246312), (120, 236049), (132, 214590), (138, 205260), (165, 171672), (180, 157366), (184, 153945), (198, 143060), (207, 136840), (220, 128754), (230, 123156), (253, 111960), (264, 107295), (276, 102630), (311, 91080), (330, 85836), (345, 82104), (360, 78683), (396, 71530), (414, 68420), (440, 64377), (460, 61578), (495, 57224), (506, 55980), (552, 51315), (622, 45540), (660, 42918), (690, 41052), (759, 37320), (792, 35765), (828, 34210), (920, 30789), (933, 30360), (990, 28612), (1012, 27990), (1035, 27368), (1244, 22770), (1265, 22392), (1320, 21459), (1380, 20526), (1518, 18660), (1555, 18216), (1656, 17105), (1866, 15180), (1980, 14306), (2024, 13995), (2070, 13684), (2277, 12440), (2488, 11385), (2530, 11196), (2760, 10263), (2799, 10120), (3036, 9330), (3110, 9108), (3421, 8280), (3732, 7590), (3795, 7464), (3960, 7153), (4140, 6842), (4554, 6220), (4665, 6072), (5060, 5598)]